19994168

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{35201}}^1$

素因数の和:35278

約数の個数: 16

約数和(自身を含む): 38018160

約数和(自身を除く): 18023992

約数列:

[1, 2, 4, 8, 71, 142, 284, 568, 35201, 70402, 140804, 281608, 2499271, 4998542, 9997084, 19994168]

約数ペア:

[(1, 19994168), (2, 9997084), (4, 4998542), (8, 2499271), (71, 281608), (142, 140804), (284, 70402), (568, 35201)]